osd-contiki/examples/osd/arduino-weather/Barometer.h
2016-05-20 11:18:19 +02:00

59 lines
1.6 KiB
C++

/*
Barometer library V1.0
2010 Copyright (c) Seeed Technology Inc. All right reserved.
Original Author: LG
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __BAROMETER_H__
#define __BAROMETER_H__
#include <Arduino.h>
#include <Wire.h>
const unsigned char OSS = 0;
#define BMP085_ADDRESS 0x77
class Barometer
{
public:
void init(void);
long PressureCompensate;
float bmp085GetTemperature(unsigned int ut);
long bmp085GetPressure(unsigned long up);
float calcAltitude(float pressure);
unsigned int bmp085ReadUT(void);
unsigned long bmp085ReadUP(void);
private:
int ac1;
int ac2;
int ac3;
unsigned int ac4;
unsigned int ac5;
unsigned int ac6;
int b1;
int b2;
int mb;
int mc;
int md;
char bmp085Read(unsigned char address);
int bmp085ReadInt(unsigned char address);
void writeRegister(int deviceAddress, byte address, byte val);
int readRegister(int deviceAddress, byte address);
};
#endif